HCL Wizard

Web tools for designing HCL-based color palettes and checking them for color vision deficiencies.

FreeProprietaryWeb
Official websitehclwizard.org

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About HCL Wizard

HCL Wizard is a set of browser tools built on the colorspace software for R and Python. It works in the HCL color space, where hue, chroma and luminance can be varied independently, which makes it easier to design palettes that match human perception.

It includes a palette creator for qualitative, sequential and diverging palettes, a deficiency emulator that shows how figures look to viewers with color vision deficiencies, and a color picker that exports colors. It suits scientists and analysts preparing data visualizations.

Strengths

  • Perception-based HCL color space
  • Color vision deficiency emulator for checking figures
  • Matches the colorspace packages for R and Python

Limitations

  • Aimed at data visualization more than general design
  • Assumes some familiarity with color space concepts

Details

Pricing
FreeUsed directly in the browser; no pricing is mentioned.
License
Proprietary
Platforms
Web
How it runs
Web application
Account
Not required
Best suited for
Researchers choosing color palettes for plots and figures
Categories
Color tools
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to HCL Wizard

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Software that can replace HCL Wizard for an important use case, and what changes if you switch.

  • Chroma.js Color Palette Helper

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  • iWantHue

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    iWantHue generates perceptually distinct categorical colors with a colorblind option and exports JSON, CSS and JavaScript.

  • Leonardo

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    Leonardo is open source and includes data visualization scale tools driven by target contrast ratios, aimed mainly at design systems.

Similar software

Related functionality, not necessarily a direct replacement.

  • Viz Palette

    A web tool for testing data visualization color palettes, including color vision deficiency simulation.

    FreeProprietaryWeb

  • Coblis

    A browser-based simulator that shows how an image looks to people with color vision deficiencies.

    FreeProprietaryWeb

  • Huetone

    An open-source web tool for building predictable, accessible color palettes in the LCH color space.

    FreeOpen sourceWeb

  • Accessible Palette

    A web tool for building color systems with consistent lightness and WCAG contrast across hues.

    FreeProprietaryWeb

  • Sim Daltonism

    A color blindness simulator for Mac and iOS that filters a screen region or camera view.

    FreeOpen sourcemacOSiOS

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